-49.82% is the change from 556 to 279
Calculation steps:
[( 279 - 556 ) ÷ 556] x 100 = -49.82%
Formula
Percentage change = [(279 - 556) / 556] x 100
Subtract the new number by the original number
279 - 556 = -277
-277 ÷ 556 = -0.4982014388489209
-0.4982014388489209 x 100 = -49.82%